* Allow union signatures to merge when they have differing argument counts * Accept updated baselines * Adjust comments io changed tests
25 lines
615 B
TypeScript
25 lines
615 B
TypeScript
type F1 = (a: string, b?: string) => void;
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type F2 = (a: string, b?: string, c?: string) => void;
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type F3 = (a: string, ...rest: string[]) => void;
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type F4 = (a: string, b?: string, ...rest: string[]) => void;
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type F5 = (a: string, b: string) => void;
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var f12: F1 | F2;
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f12("a");
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f12("a", "b");
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f12("a", "b", "c"); // ok
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var f34: F3 | F4;
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f34("a");
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f34("a", "b");
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f34("a", "b", "c");
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var f1234: F1 | F2 | F3 | F4;
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f1234("a");
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f1234("a", "b");
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f1234("a", "b", "c"); // ok
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var f12345: F1 | F2 | F3 | F4 | F5;
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f12345("a"); // error
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f12345("a", "b");
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f12345("a", "b", "c"); // error
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